diff --git a/src/main/java/com/loafle/overflow/central/module/probe/service/CentralProbeService.java b/src/main/java/com/loafle/overflow/central/module/probe/service/CentralProbeService.java
index e5d4c6f..d3bbde2 100644
--- a/src/main/java/com/loafle/overflow/central/module/probe/service/CentralProbeService.java
+++ b/src/main/java/com/loafle/overflow/central/module/probe/service/CentralProbeService.java
@@ -65,4 +65,10 @@ public class CentralProbeService implements ProbeService {
         return this.probeDAO.save(p);
     }
 
+    public Probe modifyDisplayName(long probeId, String displayName) {
+        Probe probe = this.probeDAO.findOne(probeId);
+        probe.setDisplayName(displayName);
+        return this.probeDAO.save(probe);
+    }
+
 }
diff --git a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
index 577b4b6..6d1ed75 100644
--- a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
+++ b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
@@ -3,7 +3,6 @@ package com.loafle.overflow.central.module.sensor.service;
 import com.loafle.overflow.central.commons.utils.PageUtil;
 import com.loafle.overflow.central.module.generator.service.SensorConfigGenerator;
 import com.loafle.overflow.central.module.sensor.dao.SensorDAO;
-import com.loafle.overflow.central.module.target.service.CentralTargetService;
 import com.loafle.overflow.core.exception.OverflowException;
 import com.loafle.overflow.core.model.PageParams;
 import com.loafle.overflow.model.domain.Domain;